65 lines
1.6 KiB
Go
65 lines
1.6 KiB
Go
package api
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import (
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"net/http"
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"github.com/gin-gonic/gin"
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"github.com/photoprism/photoprism/internal/crop"
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"github.com/photoprism/photoprism/internal/service"
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)
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// GetThumbCrop returns a cropped thumbnail image matching the hash and type.
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//
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// GET /api/v1/t/:hash/:token/:size/:crop
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//
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// Parameters:
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// hash: string sha1 file hash
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// token: string url security token, see config
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// size: string crop size, see crop.Sizes
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// area: string image area identifier, e.g. 1690960ff17f
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func GetThumbCrop(router *gin.RouterGroup) {
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router.GET("/t/:hash/:token/:size/:area", func(c *gin.Context) {
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if InvalidPreviewToken(c) {
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c.Data(http.StatusForbidden, "image/svg+xml", brokenIconSvg)
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return
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}
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logPrefix := "thumb-crop"
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conf := service.Config()
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fileHash := c.Param("hash")
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cropName := crop.Name(c.Param("size"))
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cropArea := c.Param("area")
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download := c.Query("download") != ""
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cropSize, ok := crop.Sizes[cropName]
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if !ok {
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log.Errorf("%s: invalid size %s", logPrefix, cropName)
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c.Data(http.StatusOK, "image/svg+xml", photoIconSvg)
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return
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}
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fileName, err := crop.FromRequest(fileHash, cropArea, cropSize, conf.ThumbPath())
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if err != nil {
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log.Warnf("%s: %s", logPrefix, err)
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c.Data(http.StatusOK, "image/svg+xml", brokenIconSvg)
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return
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} else if fileName == "" {
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log.Errorf("%s: empty file name, potential bug", logPrefix)
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c.Data(http.StatusOK, "image/svg+xml", brokenIconSvg)
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return
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}
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AddThumbCacheHeader(c)
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if download {
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c.FileAttachment(fileName, cropName.Jpeg())
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} else {
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c.File(fileName)
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}
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})
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}
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